Ricoh D131 Service Manual page 522

Punch motor error (D610)
After the punch operation, the punch HP sensor did not detect the
punch unit at the home position.
SC722-25
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Finisher jogger motor error (D610)
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SC722-30 B
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Finisher staple hammer motor error (D610)
The staple hammer motor did not return to the home position
within the prescribed time (340 ms).
SC722-33 B
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SM Appendix
Punch motor connection loose, broken, defective.
Punch overload (blocked by obstruction)
Home position sensor connection loose, broken, defective
HP sensor defective
The finisher jogger HP sensor remains de-activated for more
1,000 pulses when returning to home position.
The finisher jogger HP sensor remains activated for more than
1,000 pulses when moving away from home position.
Jogger HP sensor defective
Jogger mechanism overload
Jogger motor defective (not rotating)
Finisher main board defective
Harness disconnected or defective
Staple hammer HP sensor loose, broken, defective
Electrical overload on the stapler drive PCB elect
Staple hammer motor defective
Finisher main board defective
2-55
SC700: Peripherals
D131/D132/D133